Patents by Inventor Woong Gi Jun

Woong Gi Jun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8659094
    Abstract: An array substrate for a liquid crystal display device includes: a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including an organic insulating material such that a radical of carbon chain has a composition ratio of about 8% to about 11% by weight; a semiconductor layer on the gate insulating layer over the gate electrode; a data line crossing the gate line to define a pixel region; source and drain electrodes on the semiconductor layer, the source electrode connected to the data line and the drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer having a drain contact hole exposing the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole.
    Type: Grant
    Filed: May 23, 2011
    Date of Patent: February 25, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Geol Kim, Gee-Sung Chae, Jae-Seok Heo, Woong-Gi Jun
  • Patent number: 8551825
    Abstract: A thin film transistor (TFT) array substrate and a method for fabricating the thin film transistor (TFT) array substrate is disclosed, wherein a passivation layer is directly subjected to exposing and patterning processes without using any photoresist, thereby simplifying the fabrication process and ensuring reduced preparation costs.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: October 8, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Bo Hyun Lee, Jae Seok Heo, Woong Gi Jun
  • Patent number: 8129233
    Abstract: A method for fabricating a thin film transistor (TFT) on a substrate includes forming a gate electrode; forming a semiconductor layer being insulated from the gate electrode and partially overlapped with the gate electrode; sequentially forming first and second gate insulating layers between the gate electrode and the semiconductor layer, wherein the first gate insulating layer is formed of a material different from the second gate insulating layer and at least one of the first and second gate insulating layers includes a sol-compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Grant
    Filed: January 25, 2010
    Date of Patent: March 6, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Woong Gi Jun, Gee Sung Chae, Jae Seok Heo
  • Patent number: 8062924
    Abstract: A method for fabricating a TFT on a substrate includes forming a gate electrode; forming a semiconductor layer insulated from the gate electrode and partially overlapped with the gate electrode; forming a gate insulating layer between the gate electrode and the semiconductor layer, the gate insulating layer including a sol-gel compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: November 22, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jae Seok Heo, Woong Gi Jun
  • Publication number: 20110237010
    Abstract: A thin film transistor (TFT) array substrate and a method for fabricating the thin film transistor (TFT) array substrate is disclosed, wherein a passivation layer is directly subjected to exposing and patterning processes without using any photoresist, thereby simplifying the fabrication process and ensuring reduced preparation costs.
    Type: Application
    Filed: June 8, 2011
    Publication date: September 29, 2011
    Applicant: LG Display Co., Ltd.
    Inventors: Bo Hyun Lee, Jae Seok Heo, Woong Gi Jun
  • Publication number: 20110220893
    Abstract: An array substrate for a liquid crystal display device includes: a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including an organic insulating material such that a radical of carbon chain has a composition ratio of about 8% to about 11% by weight; a semiconductor layer on the gate insulating layer over the gate electrode; a data line crossing the gate line to define a pixel region; source and drain electrodes on the semiconductor layer, the source electrode connected to the data line and the drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer having a drain contact hole exposing the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole
    Type: Application
    Filed: May 23, 2011
    Publication date: September 15, 2011
    Inventors: Byung-Geol Kim, Gee-Sung Chae, Jae-Seok Heo, Woong-Gi Jun
  • Patent number: 7989242
    Abstract: An array substrate for a liquid crystal display device includes: a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including an organic insulating material such that a radical of carbon chain has a composition ratio of about 8% to about 11% by weight; a semiconductor layer on the gate insulating layer over the gate electrode; a data line crossing the gate line to define a pixel region; source and drain electrodes on the semiconductor layer, the source electrode connected to the data line and the drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer having a drain contact hole exposing the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: August 2, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Byung-Geol Kim, Gee-Sung Chae, Jae-Seok Heo, Woong-Gi Jun
  • Patent number: 7977676
    Abstract: A thin film transistor (TFT) array substrate and a method for fabricating the thin film transistor (TFT) array substrate is disclosed, wherein a passivation layer is directly subjected to exposing and patterning processes without using any photoresist, thereby simplifying the fabrication process and ensuring reduced preparation costs.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: July 12, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Bo Hyun Lee, Jae Seok Heo, Woong Gi Jun
  • Publication number: 20100136756
    Abstract: A method for fabricating a TFT on a substrate includes forming a gate electrode; forming a semiconductor layer insulated from the gate electrode and partially overlapped with the gate electrode; forming a gate insulating layer between the gate electrode and the semiconductor layer, the gate insulating layer including a sol-gel compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Application
    Filed: February 1, 2010
    Publication date: June 3, 2010
    Inventors: Gee Sung Chae, Jae Seok Heo, Woong Gi Jun
  • Publication number: 20100136755
    Abstract: A method for fabricating a thin film transistor (TFT) on a substrate includes forming a gate electrode; forming a semiconductor layer being insulated from the gate electrode and partially overlapped with the gate electrode; sequentially forming first and second gate insulating layers between the gate electrode and the semiconductor layer, wherein the first gate insulating layer is formed of a material different from the second gate insulating layer and at least one of the first and second gate insulating layers includes a sol-compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Application
    Filed: January 25, 2010
    Publication date: June 3, 2010
    Inventors: Woong GI JUN, Gee Sung CHAE, Jae Seok HEO
  • Patent number: 7683367
    Abstract: A method for fabricating a TFT on a substrate includes forming a gate electrode; forming a semiconductor layer insulated from the gate electrode and partially overlapped with the gate electrode; forming a gate insulating layer between the gate electrode and the semiconductor layer, the gate insulating layer including a sol-gel compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Grant
    Filed: December 26, 2006
    Date of Patent: March 23, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Gee Sung Chae, Jae Seok Heo, Woong Gi Jun
  • Patent number: 7679085
    Abstract: A method for fabricating a thin film transistor (TFT) on a substrate includes forming a gate electrode; forming a semiconductor layer being insulated from the gate electrode and partially overlapped with the gate electrode; sequentially forming first and second gate insulating layers between the gate electrode and the semiconductor layer, wherein the first gate insulating layer is formed of a material different from the second gate insulating layer and at least one of the first and second gate insulating layers includes a sol-compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: March 16, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Woong Gi Jun, Gee Sung Chae, Jae Seok Heo
  • Publication number: 20090309102
    Abstract: An array substrate for a liquid crystal display device includes: a gate line and a gate electrode on a substrate, the gate electrode connected to the gate line; a gate insulating layer on the gate line and the gate electrode, the gate insulating layer including an organic insulating material such that a radical of carbon chain has a composition ratio of about 8% to about 11% by weight; a semiconductor layer on the gate insulating layer over the gate electrode; a data line crossing the gate line to define a pixel region; source and drain electrodes on the semiconductor layer, the source electrode connected to the data line and the drain electrode spaced apart from the source electrode; a passivation layer on the data line, the source electrode and the drain electrode, the passivation layer having a drain contact hole exposing the drain electrode; and a pixel electrode on the passivation layer, the pixel electrode connected to the drain electrode through the drain contact hole
    Type: Application
    Filed: December 19, 2008
    Publication date: December 17, 2009
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Byung-Geol Kim, Gee-Sung Chae, Jae-Seok Heo, Woong-Gi Jun
  • Publication number: 20080157069
    Abstract: A thin film transistor for an LCD device is disclosed, which comprises a gate electrode formed on a substrate; a gate insulation film formed of a high dielectric constant insulator having a bond structure of functional group, metal oxide, silicon and oxygen; and source and drain electrodes formed on the gate insulation film.
    Type: Application
    Filed: December 20, 2007
    Publication date: July 3, 2008
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Jae Seok Heo, Woong Gi Jun, Byung Geol Kim
  • Publication number: 20080001152
    Abstract: A thin film transistor (TFT) array substrate and a method for fabricating the thin film transistor (TFT) array substrate is disclosed, wherein a passivation layer is directly subjected to exposing and patterning processes without using any photoresist, thereby simplifying the fabrication process and ensuring reduced preparation costs.
    Type: Application
    Filed: December 27, 2006
    Publication date: January 3, 2008
    Inventors: Bo Hyun Lee, Jae Seok Heo, Woong Gi Jun
  • Publication number: 20080001151
    Abstract: A method for fabricating a thin film transistor (TFT) on a substrate includes forming a gate electrode; forming a semiconductor layer being insulated from the gate electrode and partially overlapped with the gate electrode; sequentially forming first and second gate insulating layers between the gate electrode and the semiconductor layer, wherein the first gate insulating layer is formed of a material different from the second gate insulating layer and at least one of the first and second gate insulating layers includes a sol-compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Application
    Filed: December 28, 2006
    Publication date: January 3, 2008
    Inventors: Woong Gi Jun, Gee Sung Chae, Jae Scok Heo
  • Publication number: 20080001150
    Abstract: A method for fabricating a TFT on a substrate includes forming a gate electrode; forming a semiconductor layer insulated from the gate electrode and partially overlapped with the gate electrode; forming a gate insulating layer between the gate electrode and the semiconductor layer, the gate insulating layer including a sol-gel compound; and forming source and drain electrodes at both sides of the semiconductor layer.
    Type: Application
    Filed: December 26, 2006
    Publication date: January 3, 2008
    Inventors: Gee Sung Chae, Jae Seok Heo, Woong Gi Jun
  • Publication number: 20070236623
    Abstract: An array substrate for a liquid crystal display device, including: a substrate; a gate electrode on the substrate; and a gate insulating layer including an organic matrix of an organic material and an additive that increases a dielectric constant of the gate insulating layer.
    Type: Application
    Filed: December 1, 2006
    Publication date: October 11, 2007
    Inventors: Jae-Seok Heo, Woong-Gi Jun, Gee-Sung Chae